Specification Brand : KUAOXK BulletPoint1 : 1. Made of bearing steel with low friction coefficient, there is no resistance when placing the bearing on the guide rail. BulletPoint2 : 2. Durable and smooth, it is very suitable for most 3D printers. It is very suitable for slider movement and translation. BulletPoint3 : 3. Smooth operation, low noise and no pollution, linear guides and rails provide smooth and precise guide surfaces on which the rolling elements of linear bearings can slide. BulletPoint4 : Widely applicable to automated equipment, accuracy measuring equipment, and many other machines require accurate linear motion. BulletPoint5 : Professional and practical design with smooth surface. Color : One Color ExternallyAssignedProductIdentifier : 8715635767274 IncludedComponents : No ItemName : Linear Rail, Linear Sliding Gide 4PC MGN15 4PC MGN15H Miniature Linear Guide Slide Block Length 100mm-1000mm Slider Block for 3D Printer(950mm) ItemPackageDimensions_Height : 10 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 10 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : linear-motion-guides Manufacturer : KUAOXK Material : Metal ModelName : Genericp7by89zxg4 ModelNumber : KUAOXK NumberOfItems : 1 PartNumber : KUAOXK ProductDescription : 1. Helps to build economical linear guide systems, designed to achieve high-precision linear motion, low friction coefficient. 2. Steel support rails with pre-drilled holes for easy installation. Stainless steel linear optical axis guide bearing linear motion. High precision and easy to set up. 3. Widely used: lathes, wire cutting machines, precision measuring instruments, woodworking machinery, handling machines and transportation equipment.